Table 1:
Characteristics of included studies
| Author, year (Ref) | Region | Design of study | Prevalence of NAFLD% | Target population | Sample size | Total score |
|---|---|---|---|---|---|---|
| Adibi ,2017 (19) | Isfahan | Cross-sectional | 39.3 | Adult | 483 | 6/8 |
| Adibi,2009 (35) | Isfahan | Cross-sectional | 16.9 | Children | 952 | 6/8 |
| Alavian, 2009 (36) | Tehran | Cross-sectional | 7.1 | Children | 966 | 7/8 |
| Amirkalali,2014 (20) | Amol | Cross-sectional | 43.8 | Adult | 5023 | 8/8 |
| Bagheri Lankarani,2013 (21) | Shiraz | Cross-sectional | 21.5 | Adult | 819 | 6/8 |
| Birjandi,2016 (22) | Kavar | Cross-sectional | 22.4 | Adult | 1,600 | 6/8 |
| Fattahi,2018 (23) | Sanandaj | Cross-sectional | 35.4 | Adult | 410 | 6/8 |
| Honarvar, 2019 (24) | Shiraz | Cross-sectional | 19.8 | Adult | 478 | 8/8 |
| MansourGhanaei, 2018 (25) | Soomehesara | Cross-sectional | 43.5 | Adult | 960 | 8/8 |
| Montazerifar,2014 (30) | Zahedan | Cross-sectional | 44.1 | Obese children | 34 | 6/8 |
| Motamed,2016 (26) | Amol | Cross-sectional | 58.8 | Adult | 5,052 | 7/8 |
| Motamed,2017 (27) | Amol | Cross-sectional | 50.3 | Adult | 2804 | 6/8 |
| Motamed,2020 (28) | Amol | Cohort | 41.8 | Adult | 5797 | 9/11 |
| Namakin,2018 (31) | Birjand | Cross-sectional | 54 | Obese children | 200 | 8/8 |
| Ostovaneh,2015(1) (29) | Amol | Cross-sectional | 42.95 | Adult | 5645 | 8/8 |
| Ostovaneh,2015(2) (29) | Zahedan | Cross-sectional | 31.37 | Adult | 2078 | 5/8 |
| Rafeey,2009 (37) | Tabriz | Cross-sectional | 2.3 | Children | 1500 | 6/8 |
| Saki,2014 (32) | Shiraz | Cross-sectional | 54.9 | Obese children | 102 | 6/8 |
| Taghavi ardakani,2017 (33) | Kashan | Cross-sectional | 59 | Obese children | 200 | 8/8 |
| Gheibi,2019 (34) | Urmia | Cross-sectional | 11 | Obese children | 843 | 8/8 |